Finding the Fourth Proportional to 125,820.25, 173,633.16 and 69,232.84
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Solution
The fourth proportional to 125,820.25, 173,633.16 and 69,232.84 is: 95,541.99
Step by Step Solution
- Step 1: Write the proportion equation
125,820.25 : 173,633.16 = 69,232.84 : x - Step 2: Convert to fraction form
125,820.25/173,633.16 = 69,232.84/x - Step 3: Cross multiply
125,820.25x = 173,633.16 × 69,232.84 - Step 4: Simplify right side
125,820.25x = 12,021,116,784.97 - Step 5: Solve for x
x = 12,021,116,784.97/125,820.25 - Step 6: Final answer
x = 95,541.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.